Vertically align numbers with Larger Number on top:
| 7 | 8 | . | 9 | 5 | |
| − | 2 | 7 | . | 6 | 3 |
Subtract using place value:
| Tens | Ones | Tenths | Hundredths | ||
|---|---|---|---|---|---|
| 78.95 | 7 | 8 | . | 9 | 5 |
| 27.63 | 2 | 7 | . | 6 | 3 |
| Difference | 5 | 1 | . | 3 | 2 |
Column traversal from right to left
Hundredths column:
Hundredths column:
- 5 − 3 = 2
Tenths column:
- 9 − 6 = 3
Ones column:
- 8 − 7 = 1
Tens column:
- 7 − 2 = 5
| 7 | 8 | . | 9 | 5 | |
| − | 2 | 7 | . | 6 | 3 |
| 5 | 1 | . | 3 | 2 |
Therefore, the Difference between 78.95 and 27.63 is 51.32
Check computation by comparing Larger Number and the Sum of Difference and Smaller Number:
| 5 | 1 | . | 3 | 2 | |
| 2 | 7 | . | 6 | 3 | |
| 7 | 8 | . | 9 | 5 |
Sum of Difference and Smaller Number = 78.95
Sum of Difference and Smaller Number = Larger Number (78.95 = 78.95) ✓
